Alleluia (Feria IV, Tridentine)

Feast: Feria IV (psalterium antiquum)
Office_part: an
Cantus ID: Unspecified
Submitter: marteo

Source: CH-SGs 390, 94
NABC is synthetic/contrafactum


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Comments

Contrafactum of EXF4A1, no difficulty, mss agree